137512136340 has 72 divisors (see below), whose sum is σ = 439073849760. Its totient is φ = 34739907264.

The previous prime is 137512136323. The next prime is 137512136357. The reversal of 137512136340 is 43631215731.

137512136340 is a `hidden beast` number, since 1 + 3 + 7 + 5 + 1 + 2 + 13 + 634 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (137512136323) and next prime (137512136357).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 137512136295 and 137512136304.

It is a congruent number.

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, 20100694 + ... + 20107533.

Almost surely, 2^137512136340 is an apocalyptic number.

137512136340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137512136340 is an abundant number, since it is smaller than the sum of its proper divisors (301561713420).

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

137512136340 is a wasteful number, since it uses less digits than its factorization.

137512136340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40208261 (or 40208256 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 137512136340 in words is "one hundred thirty-seven billion, five hundred twelve million, one hundred thirty-six thousand, three hundred forty".