139751007 has 32 divisors (see below), whose sum is σ = 211752960. Its totient is φ = 81892800.

The previous prime is 139750979. The next prime is 139751039. The reversal of 139751007 is 700157931.

It is not a de Polignac number, because 139751007 - 2¹⁵ = 139718239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139751047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123219 + ... + 124347.

It is an arithmetic number, because the mean of its divisors is an integer number (6617280).

Almost surely, 2^139751007 is an apocalyptic number.

139751007 is a deficient number, since it is larger than the sum of its proper divisors (72001953).

139751007 is a wasteful number, since it uses less digits than its factorization.

139751007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196 (or 1174 counting only the distinct ones).

The product of its (nonzero) digits is 6615, while the sum is 33.

The square root of 139751007 is about 11821.6330090221. The cubic root of 139751007 is about 518.9413954417.

The spelling of 139751007 in words is "one hundred thirty-nine million, seven hundred fifty-one thousand, seven".