151138190420 has 48 divisors (see below), whose sum is σ = 362759553408. Its totient is φ = 51814823040.

The previous prime is 151138190377. The next prime is 151138190443. The reversal of 151138190420 is 24091831151.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2226299 + ... + 2293181.

It is an arithmetic number, because the mean of its divisors is an integer number (7557490696).

Almost surely, 2^151138190420 is an apocalyptic number.

151138190420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151138190420 is an abundant number, since it is smaller than the sum of its proper divisors (211621362988).

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

151138190420 is a wasteful number, since it uses less digits than its factorization.

151138190420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83040 (or 83038 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 35.

The spelling of 151138190420 in words is "one hundred fifty-one billion, one hundred thirty-eight million, one hundred ninety thousand, four hundred twenty".