140791556 has 12 divisors (see below), whose sum is σ = 257097792. Its totient is φ = 67335048.

The previous prime is 140791531. The next prime is 140791561. The reversal of 140791556 is 655197041.

It is a super-3 number, since 3×140791556³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 765080 + ... + 765263.

It is an arithmetic number, because the mean of its divisors is an integer number (21424816).

Almost surely, 2^140791556 is an apocalyptic number.

It is an amenable number.

140791556 is a deficient number, since it is larger than the sum of its proper divisors (116306236).

140791556 is a wasteful number, since it uses less digits than its factorization.

140791556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530370 (or 1530368 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 140791556 is about 11865.5617650409. The cubic root of 140791556 is about 520.2261787276.

The spelling of 140791556 in words is "one hundred forty million, seven hundred ninety-one thousand, five hundred fifty-six".