139081376 has 48 divisors (see below), whose sum is σ = 323043840. Its totient is φ = 57680640.

The previous prime is 139081373. The next prime is 139081379. The reversal of 139081376 is 673180931.

It is an interprime number because it is at equal distance from previous prime (139081373) and next prime (139081379).

It is not an unprimeable number, because it can be changed into a prime (139081373) 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, 3071 + ... + 16958.

It is an arithmetic number, because the mean of its divisors is an integer number (6730080).

Almost surely, 2^139081376 is an apocalyptic number.

139081376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

139081376 is an abundant number, since it is smaller than the sum of its proper divisors (183962464).

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

139081376 is a wasteful number, since it uses less digits than its factorization.

139081376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20077 (or 20069 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 139081376 is about 11793.2767287128. The cubic root of 139081376 is about 518.1112147722. Note that the first 3 decimals are identical.

The spelling of 139081376 in words is "one hundred thirty-nine million, eighty-one thousand, three hundred seventy-six".