137398453700 has 18 divisors (see below), whose sum is σ = 298154644746. Its totient is φ = 54959381440.

The previous prime is 137398453649. The next prime is 137398453721. The reversal of 137398453700 is 7354893731.

It can be written as a sum of positive squares in 3 ways, for example, as 18026821696 + 119371632004 = 134264^2 + 345502^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 686992169 + ... + 686992368.

Almost surely, 2^137398453700 is an apocalyptic number.

137398453700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137398453700 is an abundant number, since it is smaller than the sum of its proper divisors (160756191046).

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

137398453700 is a wasteful number, since it uses less digits than its factorization.

137398453700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373984551 (or 1373984544 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 137398453700 in words is "one hundred thirty-seven billion, three hundred ninety-eight million, four hundred fifty-three thousand, seven hundred".