139754331 has 18 divisors (see below), whose sum is σ = 214444412. Its totient is φ = 87687360.

The previous prime is 139754327. The next prime is 139754347. The reversal of 139754331 is 133457931.

It is not a de Polignac number, because 139754331 - 2² = 139754327 is a prime.

It is a super-2 number, since 2×139754331² = 39062546066515122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139754311) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24265 + ... + 29466.

Almost surely, 2^139754331 is an apocalyptic number.

139754331 is a deficient number, since it is larger than the sum of its proper divisors (74690081).

139754331 is a wasteful number, since it uses less digits than its factorization.

139754331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53771 (or 53751 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 139754331 is about 11821.7735978998. The cubic root of 139754331 is about 518.9455097770.

The spelling of 139754331 in words is "one hundred thirty-nine million, seven hundred fifty-four thousand, three hundred thirty-one".