139862361 has 8 divisors (see below), whose sum is σ = 188294080. Its totient is φ = 92336112.

The previous prime is 139862353. The next prime is 139862381. The reversal of 139862361 is 163268931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 139862361 - 2³ = 139862353 is a prime.

It is a super-2 number, since 2×139862361² = 39122960048988642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139862381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226006 + ... + 226623.

It is an arithmetic number, because the mean of its divisors is an integer number (23536760).

Almost surely, 2^139862361 is an apocalyptic number.

It is an amenable number.

139862361 is a deficient number, since it is larger than the sum of its proper divisors (48431719).

139862361 is a wasteful number, since it uses less digits than its factorization.

139862361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452735.

The product of its digits is 46656, while the sum is 39.

The square root of 139862361 is about 11826.3418266174. The cubic root of 139862361 is about 519.0791901765.

The spelling of 139862361 in words is "one hundred thirty-nine million, eight hundred sixty-two thousand, three hundred sixty-one".