1354975820 has 48 divisors (see below), whose sum is σ = 3286731168. Its totient is φ = 463733760.

The previous prime is 1354975819. The next prime is 1354975873. The reversal of 1354975820 is 285794531.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177407 + ... + 184886.

It is an arithmetic number, because the mean of its divisors is an integer number (68473566).

Almost surely, 2^1354975820 is an apocalyptic number.

1354975820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1354975820 is an abundant number, since it is smaller than the sum of its proper divisors (1931755348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1354975820 is a wasteful number, since it uses less digits than its factorization.

1354975820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362330 (or 362328 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 1354975820 is about 36809.9961966855. The cubic root of 1354975820 is about 1106.5656423401.

The spelling of 1354975820 in words is "one billion, three hundred fifty-four million, nine hundred seventy-five thousand, eight hundred twenty".