137883957 has 8 divisors (see below), whose sum is σ = 194659776. Its totient is φ = 86515392.

The previous prime is 137883953. The next prime is 137883961. The reversal of 137883957 is 759388731.

It is an interprime number because it is at equal distance from previous prime (137883953) and next prime (137883961).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 137883957 - 2² = 137883953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 2703607 = 137883957 / (1 + 3 + 7 + 8 + 8 + 3 + 9 + 5 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137883953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1351753 + ... + 1351854.

It is an arithmetic number, because the mean of its divisors is an integer number (24332472).

Almost surely, 2^137883957 is an apocalyptic number.

137883957 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

137883957 is a deficient number, since it is larger than the sum of its proper divisors (56775819).

137883957 is a wasteful number, since it uses less digits than its factorization.

137883957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2703627.

The product of its digits is 1270080, while the sum is 51.

The square root of 137883957 is about 11742.3999676386. The cubic root of 137883957 is about 516.6200369063.

The spelling of 137883957 in words is "one hundred thirty-seven million, eight hundred eighty-three thousand, nine hundred fifty-seven".