1364139 has 24 divisors (see below), whose sum is σ = 2296320. Its totient is φ = 764208.

The previous prime is 1364137. The next prime is 1364141. The reversal of 1364139 is 9314631.

1364139 is a `hidden beast` number, since 13 + 641 + 3 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (1364137) and next prime (1364141).

It is not a de Polignac number, because 1364139 - 2¹ = 1364137 is a prime.

It is a super-2 number, since 2×1364139² = 3721750422642, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1364137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3534 + ... + 3900.

It is an arithmetic number, because the mean of its divisors is an integer number (95680).

2^1364139 is an apocalyptic number.

1364139 is a deficient number, since it is larger than the sum of its proper divisors (932181).

1364139 is a wasteful number, since it uses less digits than its factorization.

1364139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 436 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 1364139 is about 1167.9636124469. The cubic root of 1364139 is about 110.9054466280.

The spelling of 1364139 in words is "one million, three hundred sixty-four thousand, one hundred thirty-nine".