137870953 has 4 divisors (see below), whose sum is σ = 150404688. Its totient is φ = 125337220.

The previous prime is 137870923. The next prime is 137870983. The reversal of 137870953 is 359078731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (137870923) and next prime (137870983).

It is a cyclic number.

It is not a de Polignac number, because 137870953 - 2¹³ = 137862761 is a prime.

It is a super-2 number, since 2×137870953² = 38016799362256418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137870923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6266851 + ... + 6266872.

It is an arithmetic number, because the mean of its divisors is an integer number (37601172).

Almost surely, 2^137870953 is an apocalyptic number.

It is an amenable number.

137870953 is a deficient number, since it is larger than the sum of its proper divisors (12533735).

137870953 is a wasteful number, since it uses less digits than its factorization.

137870953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12533734.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 137870953 is about 11741.8462347282. The cubic root of 137870953 is about 516.6037953790.

The spelling of 137870953 in words is "one hundred thirty-seven million, eight hundred seventy thousand, nine hundred fifty-three".