139134270 has 48 divisors (see below), whose sum is σ = 367048080. Its totient is φ = 33728640.

The previous prime is 139134253. The next prime is 139134353. The reversal of 139134270 is 72431931.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15535 + ... + 22794.

It is an arithmetic number, because the mean of its divisors is an integer number (7646835).

Almost surely, 2^139134270 is an apocalyptic number.

139134270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139134270 is an abundant number, since it is smaller than the sum of its proper divisors (227913810).

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

139134270 is a wasteful number, since it uses less digits than its factorization.

139134270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38361 (or 38350 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 139134270 is about 11795.5190644583. The cubic root of 139134270 is about 518.1768873590.

The spelling of 139134270 in words is "one hundred thirty-nine million, one hundred thirty-four thousand, two hundred seventy".