1392278651137 has 8 divisors (see below), whose sum is σ = 1527944346432. Its totient is φ = 1258128774000.

The previous prime is 1392278651107. The next prime is 1392278651149. The reversal of 1392278651137 is 7311568722931.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1392278651137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1392278651107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378952614 + ... + 378956287.

It is an arithmetic number, because the mean of its divisors is an integer number (190993043304).

Almost surely, 2^{1392278651137} is an apocalyptic number.

It is an amenable number.

1392278651137 is a deficient number, since it is larger than the sum of its proper divisors (135665695295).

1392278651137 is a wasteful number, since it uses less digits than its factorization.

1392278651137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757909079.

The product of its digits is 3810240, while the sum is 55.

The spelling of 1392278651137 in words is "one trillion, three hundred ninety-two billion, two hundred seventy-eight million, six hundred fifty-one thousand, one hundred thirty-seven".