1377153372 has 48 divisors (see below), whose sum is σ = 3687828480. Its totient is φ = 391820352.

The previous prime is 1377153367. The next prime is 1377153377. The reversal of 1377153372 is 2733517731.

It is an interprime number because it is at equal distance from previous prime (1377153367) and next prime (1377153377).

It is a self number, because there is not a number n which added to its sum of digits gives 1377153372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377153377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14223 + ... + 54374.

It is an arithmetic number, because the mean of its divisors is an integer number (76829760).

Almost surely, 2^1377153372 is an apocalyptic number.

1377153372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1377153372 is an abundant number, since it is smaller than the sum of its proper divisors (2310675108).

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

1377153372 is a wasteful number, since it uses less digits than its factorization.

1377153372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68850 (or 68848 counting only the distinct ones).

The product of its digits is 92610, while the sum is 39.

The square root of 1377153372 is about 37110.0171382337. The cubic root of 1377153372 is about 1112.5702342058.

The spelling of 1377153372 in words is "one billion, three hundred seventy-seven million, one hundred fifty-three thousand, three hundred seventy-two".