139514427 has 64 divisors (see below), whose sum is σ = 239016960. Its totient is φ = 79667712.

The previous prime is 139514423. The next prime is 139514437. The reversal of 139514427 is 724415931.

139514427 is a `hidden beast` number, since 139 + 514 + 4 + 2 + 7 = 666.

It is not a de Polignac number, because 139514427 - 2² = 139514423 is a prime.

It is a super-2 number, since 2×139514427² = 38928550682276658, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 139514391 and 139514400.

It is not an unprimeable number, because it can be changed into a prime (139514423) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 614488 + ... + 614714.

It is an arithmetic number, because the mean of its divisors is an integer number (3734640).

Almost surely, 2^139514427 is an apocalyptic number.

139514427 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

139514427 is a deficient number, since it is larger than the sum of its proper divisors (99502533).

139514427 is a wasteful number, since it uses less digits than its factorization.

139514427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 363 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 139514427 is about 11811.6225388386. The cubic root of 139514427 is about 518.6483969590.

The spelling of 139514427 in words is "one hundred thirty-nine million, five hundred fourteen thousand, four hundred twenty-seven".