1355653136400 has 120 divisors (see below), whose sum is σ = 4365345790464. Its totient is φ = 359614732800.

The previous prime is 1355653136359. The next prime is 1355653136459. The reversal of 1355653136400 is 46313565531.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2728159 + ... + 3186558.

Almost surely, 2^{1355653136400} is an apocalyptic number.

1355653136400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1355653136400 is an abundant number, since it is smaller than the sum of its proper divisors (3009692654064).

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

1355653136400 is a wasteful number, since it uses less digits than its factorization.

1355653136400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5914929 (or 5914918 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 42.

The spelling of 1355653136400 in words is "one trillion, three hundred fifty-five billion, six hundred fifty-three million, one hundred thirty-six thousand, four hundred".