1345988139902 has 32 divisors (see below), whose sum is σ = 2466455491584. Its totient is φ = 538313688000.

The previous prime is 1345988139829. The next prime is 1345988139911. The reversal of 1345988139902 is 2099318895431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50963474 + ... + 50989877.

It is an arithmetic number, because the mean of its divisors is an integer number (77076734112).

Almost surely, 2^{1345988139902} is an apocalyptic number.

1345988139902 is a deficient number, since it is larger than the sum of its proper divisors (1120467351682).

1345988139902 is a wasteful number, since it uses less digits than its factorization.

1345988139902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101953424.

The product of its (nonzero) digits is 16796160, while the sum is 62.

The spelling of 1345988139902 in words is "one trillion, three hundred forty-five billion, nine hundred eighty-eight million, one hundred thirty-nine thousand, nine hundred two".