151369640 has 16 divisors (see below), whose sum is σ = 340581780. Its totient is φ = 60547840.

The previous prime is 151369639. The next prime is 151369667. The reversal of 151369640 is 46963151.

It can be written as a sum of positive squares in 2 ways, for example, as 149866564 + 1503076 = 12242^2 + 1226^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 151369640.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1892081 + ... + 1892160.

Almost surely, 2^151369640 is an apocalyptic number.

151369640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151369640 is an abundant number, since it is smaller than the sum of its proper divisors (189212140).

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

151369640 is a wasteful number, since it uses less digits than its factorization.

151369640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3784252 (or 3784248 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 151369640 is about 12303.2369724394. The cubic root of 151369640 is about 532.9415647211.

The spelling of 151369640 in words is "one hundred fifty-one million, three hundred sixty-nine thousand, six hundred forty".