151391320 has 32 divisors (see below), whose sum is σ = 347062320. Its totient is φ = 59413120.

The previous prime is 151391291. The next prime is 151391327. The reversal of 151391320 is 23193151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151391327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33586 + ... + 37825.

Almost surely, 2^151391320 is an apocalyptic number.

151391320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151391320 is an abundant number, since it is smaller than the sum of its proper divisors (195671000).

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

151391320 is a wasteful number, since it uses less digits than its factorization.

151391320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71475 (or 71471 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 151391320 is about 12304.1180098372. The cubic root of 151391320 is about 532.9670071227.

The spelling of 151391320 in words is "one hundred fifty-one million, three hundred ninety-one thousand, three hundred twenty".