131030739 has 24 divisors (see below), whose sum is σ = 216609120. Its totient is φ = 74769408.

The previous prime is 131030737. The next prime is 131030771. The reversal of 131030739 is 937030131.

It is not a de Polignac number, because 131030739 - 2¹ = 131030737 is a prime.

It is a super-2 number, since 2×131030739² = 34338109125772242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131030737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75817 + ... + 77525.

It is an arithmetic number, because the mean of its divisors is an integer number (9025380).

Almost surely, 2^131030739 is an apocalyptic number.

131030739 is a deficient number, since it is larger than the sum of its proper divisors (85578381).

131030739 is a wasteful number, since it uses less digits than its factorization.

131030739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2939 (or 2936 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 27.

The square root of 131030739 is about 11446.8659029448. The cubic root of 131030739 is about 507.9150288264.

It can be divided in two parts, 131030 and 739, that added together give a square (131769 = 363²).

The spelling of 131030739 in words is "one hundred thirty-one million, thirty thousand, seven hundred thirty-nine".