1238158374 has 32 divisors (see below), whose sum is σ = 2505275136. Its totient is φ = 407921760.

The previous prime is 1238158367. The next prime is 1238158391. The reversal of 1238158374 is 4738518321.

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, 177949 + ... + 184775.

It is an arithmetic number, because the mean of its divisors is an integer number (78289848).

Almost surely, 2^1238158374 is an apocalyptic number.

1238158374 is an abundant number, since it is smaller than the sum of its proper divisors (1267116762).

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

1238158374 is a wasteful number, since it uses less digits than its factorization.

1238158374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7180.

The product of its digits is 161280, while the sum is 42.

The square root of 1238158374 is about 35187.4746749465. The cubic root of 1238158374 is about 1073.8049453484.

The spelling of 1238158374 in words is "one billion, two hundred thirty-eight million, one hundred fifty-eight thousand, three hundred seventy-four".