7138373800428 has 36 divisors (see below), whose sum is σ = 19432239791328. Its totient is φ = 2196422707680.

The previous prime is 7138373800399. The next prime is 7138373800499. The reversal of 7138373800428 is 8240083738317.

It is a happy number.

7138373800428 is a `hidden beast` number, since 7 + 138 + 3 + 7 + 3 + 80 + 0 + 428 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7626467268 + ... + 7626468203.

It is an arithmetic number, because the mean of its divisors is an integer number (539784438648).

Almost surely, 2^{7138373800428} is an apocalyptic number.

7138373800428 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

7138373800428 is an abundant number, since it is smaller than the sum of its proper divisors (12293865990900).

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

7138373800428 is a wasteful number, since it uses less digits than its factorization.

7138373800428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15252935494 (or 15252935489 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 7138373800428 in words is "seven trillion, one hundred thirty-eight billion, three hundred seventy-three million, eight hundred thousand, four hundred twenty-eight".