137891302 has 8 divisors (see below), whose sum is σ = 215829936. Its totient is φ = 65947992.

The previous prime is 137891287. The next prime is 137891309. The reversal of 137891302 is 203198731.

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

It is a super-2 number, since 2×137891302² = 38028022334510408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137891309) 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, 1498773 + ... + 1498864.

It is an arithmetic number, because the mean of its divisors is an integer number (26978742).

Almost surely, 2^137891302 is an apocalyptic number.

137891302 is a deficient number, since it is larger than the sum of its proper divisors (77938634).

137891302 is a wasteful number, since it uses less digits than its factorization.

137891302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997662.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 137891302 is about 11742.7127189589. The cubic root of 137891302 is about 516.6292100953.

The spelling of 137891302 in words is "one hundred thirty-seven million, eight hundred ninety-one thousand, three hundred two".