1377450654 has 16 divisors (see below), whose sum is σ = 2756807040. Its totient is φ = 458832600.

The previous prime is 1377450593. The next prime is 1377450661. The reversal of 1377450654 is 4560547731.

It is a happy number.

It is a congruent number.

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, 69922 + ... + 87429.

It is an arithmetic number, because the mean of its divisors is an integer number (172300440).

Almost surely, 2^1377450654 is an apocalyptic number.

1377450654 is an abundant number, since it is smaller than the sum of its proper divisors (1379356386).

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

1377450654 is a wasteful number, since it uses less digits than its factorization.

1377450654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158815.

The product of its (nonzero) digits is 352800, while the sum is 42.

The square root of 1377450654 is about 37114.0223365779. The cubic root of 1377450654 is about 1112.6502841878.

The spelling of 1377450654 in words is "one billion, three hundred seventy-seven million, four hundred fifty thousand, six hundred fifty-four".