1361504019400 has 96 divisors (see below), whose sum is σ = 3617945936640. Its totient is φ = 466771023360.

The previous prime is 1361504019383. The next prime is 1361504019401. The reversal of 1361504019400 is 49104051631.

It is not an unprimeable number, because it can be changed into a prime (1361504019401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36931777 + ... + 36968623.

It is an arithmetic number, because the mean of its divisors is an integer number (37686936840).

Almost surely, 2^{1361504019400} is an apocalyptic number.

1361504019400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1361504019400 is an abundant number, since it is smaller than the sum of its proper divisors (2256441917240).

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

1361504019400 is a wasteful number, since it uses less digits than its factorization.

1361504019400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63263 (or 63254 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 1361504019400 in words is "one trillion, three hundred sixty-one billion, five hundred four million, nineteen thousand, four hundred".