1377522642 has 16 divisors (see below), whose sum is σ = 2757056832. Its totient is φ = 458838960.

The previous prime is 1377522637. The next prime is 1377522683. The reversal of 1377522642 is 2462257731.

It is a self number, because there is not a number n which added to its sum of digits gives 1377522642.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74838 + ... + 91409.

It is an arithmetic number, because the mean of its divisors is an integer number (172316052).

Almost surely, 2^1377522642 is an apocalyptic number.

1377522642 is an abundant number, since it is smaller than the sum of its proper divisors (1379534190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1377522642 is a wasteful number, since it uses less digits than its factorization.

1377522642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167633.

The product of its digits is 141120, while the sum is 39.

The square root of 1377522642 is about 37114.9921460318. The cubic root of 1377522642 is about 1112.6696668721.

The spelling of 1377522642 in words is "one billion, three hundred seventy-seven million, five hundred twenty-two thousand, six hundred forty-two".