1390577049 has 12 divisors (see below), whose sum is σ = 2010536112. Its totient is φ = 926163000.

The previous prime is 1390577047. The next prime is 1390577053. The reversal of 1390577049 is 9407750931.

1390577049 is a `hidden beast` number, since 1 + 39 + 0 + 577 + 0 + 49 = 666.

It is not a de Polignac number, because 1390577049 - 2¹ = 1390577047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1390576995 and 1390577013.

It is not an unprimeable number, because it can be changed into a prime (1390577047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64047 + ... + 82964.

It is an arithmetic number, because the mean of its divisors is an integer number (167544676).

Almost surely, 2^1390577049 is an apocalyptic number.

It is an amenable number.

1390577049 is a deficient number, since it is larger than the sum of its proper divisors (619959063).

1390577049 is a wasteful number, since it uses less digits than its factorization.

1390577049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148068 (or 148065 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 1390577049 is about 37290.4417914296. The cubic root of 1390577049 is about 1116.1734444458.

The spelling of 1390577049 in words is "one billion, three hundred ninety million, five hundred seventy-seven thousand, forty-nine".