138325355 has 16 divisors (see below), whose sum is σ = 190137024. Its totient is φ = 94634880.

The previous prime is 138325337. The next prime is 138325373. The reversal of 138325355 is 553523831.

It is an interprime number because it is at equal distance from previous prime (138325337) and next prime (138325373).

It is not a de Polignac number, because 138325355 - 2¹⁰ = 138324331 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11849 + ... + 20421.

It is an arithmetic number, because the mean of its divisors is an integer number (11883564).

Almost surely, 2^138325355 is an apocalyptic number.

138325355 is a deficient number, since it is larger than the sum of its proper divisors (51811669).

138325355 is an equidigital number, since it uses as much as digits as its factorization.

138325355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9046.

The product of its digits is 54000, while the sum is 35.

The square root of 138325355 is about 11761.1800003231. The cubic root of 138325355 is about 517.1707225628.

The spelling of 138325355 in words is "one hundred thirty-eight million, three hundred twenty-five thousand, three hundred fifty-five".