138470796 has 30 divisors (see below), whose sum is σ = 361990860. Its totient is φ = 46156824.

The previous prime is 138470791. The next prime is 138470807. The reversal of 138470796 is 697074831.

It is a super-2 number, since 2×138470796² = 38348322689747232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (138470791) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 213366 + ... + 214013.

It is an arithmetic number, because the mean of its divisors is an integer number (12066362).

Almost surely, 2^138470796 is an apocalyptic number.

It is an amenable number.

138470796 is an abundant number, since it is smaller than the sum of its proper divisors (223520064).

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

138470796 is a wasteful number, since it uses less digits than its factorization.

138470796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427395 (or 427384 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 138470796 is about 11767.3614714599. The cubic root of 138470796 is about 517.3519173025.

The spelling of 138470796 in words is "one hundred thirty-eight million, four hundred seventy thousand, seven hundred ninety-six".