140408072 has 32 divisors (see below), whose sum is σ = 307876800. Its totient is φ = 58774464.

The previous prime is 140408069. The next prime is 140408087. The reversal of 140408072 is 270804041.

It is a super-3 number, since 3×140408072³ (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, 26747 + ... + 31562.

It is an arithmetic number, because the mean of its divisors is an integer number (9621150).

Almost surely, 2^140408072 is an apocalyptic number.

It is an amenable number.

140408072 is an abundant number, since it is smaller than the sum of its proper divisors (167468728).

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

140408072 is a wasteful number, since it uses less digits than its factorization.

140408072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58365 (or 58361 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 140408072 is about 11849.3912079904. The cubic root of 140408072 is about 519.7534235294.

The spelling of 140408072 in words is "one hundred forty million, four hundred eight thousand, seventy-two".