151870140 has 72 divisors (see below), whose sum is σ = 477750000. Its totient is φ = 40497408.

The previous prime is 151870123. The next prime is 151870157. The reversal of 151870140 is 41078151.

151870140 is a `hidden beast` number, since 1 + 518 + 7 + 0 + 140 = 666.

151870140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (151870123) and next prime (151870157).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10765 + ... + 20484.

Almost surely, 2^151870140 is an apocalyptic number.

151870140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151870140 is an abundant number, since it is smaller than the sum of its proper divisors (325879860).

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

151870140 is a wasteful number, since it uses less digits than its factorization.

151870140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31273 (or 31259 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 151870140 is about 12323.5603621681. The cubic root of 151870140 is about 533.5283045835.

The spelling of 151870140 in words is "one hundred fifty-one million, eight hundred seventy thousand, one hundred forty".