140042764 has 12 divisors (see below), whose sum is σ = 247324000. Its totient is φ = 69378768.

The previous prime is 140042759. The next prime is 140042783. The reversal of 140042764 is 467240041.

It is a super-2 number, since 2×140042764² = 39223951497519392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160164 + ... + 161035.

Almost surely, 2^140042764 is an apocalyptic number.

It is an amenable number.

140042764 is a deficient number, since it is larger than the sum of its proper divisors (107281236).

140042764 is a wasteful number, since it uses less digits than its factorization.

140042764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321312 (or 321310 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 140042764 is about 11833.9665370492. The cubic root of 140042764 is about 519.3022742833.

The spelling of 140042764 in words is "one hundred forty million, forty-two thousand, seven hundred sixty-four".