151990940 has 24 divisors (see below), whose sum is σ = 321483120. Its totient is φ = 60357888.

The previous prime is 151990901. The next prime is 151990973. The reversal of 151990940 is 49099151.

It is a junction number, because it is equal to n+sod(n) for n = 151990894 and 151990903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24557 + ... + 30116.

It is an arithmetic number, because the mean of its divisors is an integer number (13395130).

Almost surely, 2^151990940 is an apocalyptic number.

151990940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151990940 is an abundant number, since it is smaller than the sum of its proper divisors (169492180).

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

151990940 is a wasteful number, since it uses less digits than its factorization.

151990940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54821 (or 54819 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 38.

The square root of 151990940 is about 12328.4605689437. The cubic root of 151990940 is about 533.6697261482.

The spelling of 151990940 in words is "one hundred fifty-one million, nine hundred ninety thousand, nine hundred forty".