151656140 has 12 divisors (see below), whose sum is σ = 318477936. Its totient is φ = 60662448.

The previous prime is 151656121. The next prime is 151656143. The reversal of 151656140 is 41656151.

It is not an unprimeable number, because it can be changed into a prime (151656143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3791384 + ... + 3791423.

It is an arithmetic number, because the mean of its divisors is an integer number (26539828).

Almost surely, 2^151656140 is an apocalyptic number.

151656140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151656140 is an abundant number, since it is smaller than the sum of its proper divisors (166821796).

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

151656140 is a wasteful number, since it uses less digits than its factorization.

151656140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7582816 (or 7582814 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 151656140 is about 12314.8747456074. The cubic root of 151656140 is about 533.2775887918.

The spelling of 151656140 in words is "one hundred fifty-one million, six hundred fifty-six thousand, one hundred forty".