103139325 has 90 divisors (see below), whose sum is σ = 201136122. Its totient is φ = 52228800.

The previous prime is 103139321. The next prime is 103139329. The reversal of 103139325 is 523931301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (103139321) and next prime (103139329).

It can be written as a sum of positive squares in 3 ways, for example, as 13155129 + 89984196 = 3627^2 + 9486^2 .

It is not a de Polignac number, because 103139325 - 2² = 103139321 is a prime.

It is a super-2 number, since 2×103139325² = 21275440722911250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103139321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 1945999 + ... + 1946051.

Almost surely, 2^103139325 is an apocalyptic number.

103139325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103139325 is a deficient number, since it is larger than the sum of its proper divisors (97996797).

103139325 is an equidigital number, since it uses as much as digits as its factorization.

103139325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 103139325 is about 10155.7532955463. The cubic root of 103139325 is about 468.9660763815.

The spelling of 103139325 in words is "one hundred three million, one hundred thirty-nine thousand, three hundred twenty-five".