140507752 has 32 divisors (see below), whose sum is σ = 328461120. Its totient is φ = 54743040.

The previous prime is 140507747. The next prime is 140507761. The reversal of 140507752 is 257705041.

It is a super-3 number, since 3×140507752³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113433 + ... + 114664.

It is an arithmetic number, because the mean of its divisors is an integer number (10264410).

Almost surely, 2^140507752 is an apocalyptic number.

It is an amenable number.

140507752 is an abundant number, since it is smaller than the sum of its proper divisors (187953368).

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

140507752 is a wasteful number, since it uses less digits than its factorization.

140507752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228121 (or 228117 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 140507752 is about 11853.5965850032. The cubic root of 140507752 is about 519.8763907375.

The spelling of 140507752 in words is "one hundred forty million, five hundred seven thousand, seven hundred fifty-two".