137694391950 has 24 divisors (see below), whose sum is σ = 341482092408. Its totient is φ = 36718504480.

The previous prime is 137694391937. The next prime is 137694391969. The reversal of 137694391950 is 59193496731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 458981157 + ... + 458981456.

It is an arithmetic number, because the mean of its divisors is an integer number (14228420517).

Almost surely, 2^137694391950 is an apocalyptic number.

137694391950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137694391950 is an abundant number, since it is smaller than the sum of its proper divisors (203787700458).

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

137694391950 is a wasteful number, since it uses less digits than its factorization.

137694391950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917962628 (or 917962623 counting only the distinct ones).

The product of its (nonzero) digits is 5511240, while the sum is 57.

The spelling of 137694391950 in words is "one hundred thirty-seven billion, six hundred ninety-four million, three hundred ninety-one thousand, nine hundred fifty".