140073056 has 48 divisors (see below), whose sum is σ = 284307408. Its totient is φ = 67891200.

The previous prime is 140073023. The next prime is 140073077. The reversal of 140073056 is 650370041.

It is a super-2 number, since 2×140073056² = 39240922034358272, which contains 22 as substring.

It is a congruent number.

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, 315971 + ... + 316413.

It is an arithmetic number, because the mean of its divisors is an integer number (5923071).

Almost surely, 2^140073056 is an apocalyptic number.

140073056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140073056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142153704).

140073056 is an abundant number, since it is smaller than the sum of its proper divisors (144234352).

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

140073056 is a wasteful number, since it uses less digits than its factorization.

140073056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 140073056 is about 11835.2463430213. The cubic root of 140073056 is about 519.3397142052.

The spelling of 140073056 in words is "one hundred forty million, seventy-three thousand, fifty-six".