139268038 has 16 divisors (see below), whose sum is σ = 257110560. Its totient is φ = 55094976.

The previous prime is 139268023. The next prime is 139268053. The reversal of 139268038 is 830862931.

It is an interprime number because it is at equal distance from previous prime (139268023) and next prime (139268053).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382423 + ... + 382786.

It is an arithmetic number, because the mean of its divisors is an integer number (16069410).

Almost surely, 2^139268038 is an apocalyptic number.

139268038 is a deficient number, since it is larger than the sum of its proper divisors (117842522).

139268038 is a wasteful number, since it uses less digits than its factorization.

139268038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765231.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 139268038 is about 11801.1879910456. The cubic root of 139268038 is about 518.3428979417.

The spelling of 139268038 in words is "one hundred thirty-nine million, two hundred sixty-eight thousand, thirty-eight".